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PUBLIC MARKS from myspacesupport.de with tags current & enter

19 March 2007 23:15

ANSWER: The original graphs that this tool is based on (published in IPC-2221) only cover up to 35 Amps, up to 0.4 inches of trace width, from 10 to 100 degrees C of temperature rise, and copper of 0.5 to 3 ounces per square foot. The formulas used here